Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 122/145
Name: Liquid heaters and vaporizers > Flue > Horizontal > Internal water tube > Transverse
Description: Devices having water tubes extending across the flues and communicating with the boiler at both ends.

Sub-classes under this class:

Class Number Class Name Patents
122/146 Drop water firebox 0
122/147 Return fire tube 0

Patents under this class:

Patent Number Title Of Patent Date Issued
4316436 Heat exchanger Feb. 23, 1982
4062324 Firetube economizer Dec. 13, 1977
4044726 Circulating water heater Aug. 30, 1977

  Recently Added Patents
Adaptive analog echo/next cancellation
Cytokine biomarkers as predictive biomarkers of clinical response for Glatiramer acetate
Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof
Blue box
Semiconductor device having trapezoidal shaped trenches
Display stand for a mobile tablet computer
Device for preparing a body fluid for a bacteriological analysis
  Randomly Featured Patents
Collision obstacle discrimination device for vehicle
Non-aqueous slurries of water soluble polymers
Tim-3 ligands and methods thereof
Self supporting outdoor sleeping system
Apoptosis marker antibodies and methods of use
Liquid crystal display
Apparatus for treatment of liquids
Housing for an under telephone extension reel
Apparatus, method and program for image search
Tread of a tire